Javier Sánchez The Global Payments War Will Be Photonic. And Spain Is Already Deploying the Shield. How post-quantum cybersecurity will protect central bank digital currencies and why Navarra is becoming a strategic hub. Javier Sánchez April 20, 2026 • 2 min read #global-payments #post-quantum-cryptography #central-bank-digital-currency #photonic-cybersecurity #geopolitics #navarra #q-day
